static int get_inbound_buffer_frontier(struct qdio_q *q)
{
- int count, stop;
unsigned char state = 0;
+ int count;
q->timestamp = get_tod_clock_fast();
* would return 0.
*/
count = min(atomic_read(&q->nr_buf_used), QDIO_MAX_BUFFERS_MASK);
- stop = add_buf(q->first_to_check, count);
-
- if (q->first_to_check == stop)
+ if (!count)
goto out;
/*
static int get_outbound_buffer_frontier(struct qdio_q *q)
{
- int count, stop;
unsigned char state = 0;
+ int count;
q->timestamp = get_tod_clock_fast();
* would return 0.
*/
count = min(atomic_read(&q->nr_buf_used), QDIO_MAX_BUFFERS_MASK);
- stop = add_buf(q->first_to_check, count);
- if (q->first_to_check == stop)
+ if (!count)
goto out;
count = get_buf_states(q, q->first_to_check, &state, count, 0, 1);